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How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

What happens when colored beams of light mix? You might be surprised.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Try this chemistry experiment with your curious kid and get some "shocking" results!

This science fair project idea explores whether talking to a plant will help it grow.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Making your own glass cleaner is easy, effective and inexpensive!

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!